What Did Dinosaurs Really Sound Like?

The iconic roar of the T-Rex in the movie Jurassic Park was created using the sound of which animal?

• A baby elephant

• A lion

• A crocodile

• A large bird

Which two groups of animals are considered the closest living relatives of dinosaurs?

• Mammals and reptiles

• Birds and crocodilians

• Fish and amphibians

• Lizards and snakes

What is the main reason scientists find it difficult to determine the exact sounds dinosaurs made?

• Dinosaurs lived too long ago for sound to be preserved.

• Their vocal organs were made of soft tissues that rarely fossilize.

• They did not have vocal organs.

• Modern animals do not share any vocal similarities with dinosaurs.

What is "closed-mouth vocalization" as described in the video?

• A high-pitched sound made by opening the mouth wide.

• A sound made by vibrating vocal cords in the throat.

• A low-pitched sound made by pushing air through a pouch in the trachea or esophagus.

• A sound made by rubbing body parts together.